Home / 132,990.18-183,525.54-72,560.94

Finding the Fourth Proportional to 132,990.18, 183,525.54 and 72,560.94

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Solution

The fourth proportional to 132,990.18, 183,525.54 and 72,560.94 is: 100,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.18 : 183,525.54 = 72,560.94 : x
  2. Step 2: Convert to fraction form
    132,990.18/183,525.54 = 72,560.94/x
  3. Step 3: Cross multiply
    132,990.18x = 183,525.54 × 72,560.94
  4. Step 4: Simplify right side
    132,990.18x = 13,316,785,696.41
  5. Step 5: Solve for x
    x = 13,316,785,696.41/132,990.18
  6. Step 6: Final answer
    x = 100,133.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.